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5α-pregn-3-en-20-one, also known as pregnenolone, is a steroid hormone and a key intermediate in the synthesis of other important hormones, such as cortisol, aldosterone, and sex hormones like testosterone and estrogen. It is a 21-carbon steroid derived from cholesterol and plays a crucial role in the endocrine system. Pregnenolone is synthesized in the adrenal glands, gonads, and the brain, where it acts as a precursor for the production of various steroid hormones. It has been studied for its potential effects on cognitive function, mood, and stress response, and is also used as a dietary supplement for its potential benefits in enhancing memory and reducing anxiety.

4947-29-9

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4947-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4947-29-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,4 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4947-29:
(6*4)+(5*9)+(4*4)+(3*7)+(2*2)+(1*9)=119
119 % 10 = 9
So 4947-29-9 is a valid CAS Registry Number.

4947-29-9Upstream product

4947-29-9Downstream Products

4947-29-9Relevant academic research and scientific papers

On the Elimination of the 3-Benzylthioenol Ether of Pregn-4-ene-3,20-dione by W-2 Raney Nickel

Gonzalez, Mario D.,Burton, Gerardo

, p. 639 - 644 (2007/10/02)

Reaction of 3-benzylthiopregna-3,5-dien-20-one or of pregna-3,5-dien-20-one with W-2 Raney nickel in acetone afforded a mixture of 20-ketopregnanes with different degrees of insaturation on rings A and B, of which the main component was identified as pregn-2-en-20-one.When deactivated Raney nickel was used, the main product was the expected pregna-3,5-dien-20-one with minor amounts of pregn-4-en-20-one and pregn-5-en-20-one. - Key words: Benzylthioenol Ether, Raney Nickel, 3-Benzylthiopregna-3,5-dien-20-one, Pregna-3,5-dien-20-one, Pregn-2-en-20-one

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